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be_os5.cpp

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-1-0/backends/platform/PalmOS/Src/be_os5.cpp $
 * $Id: be_os5.cpp 47769 2010-01-31 18:14:20Z chrilith $
 *
 */

#include "be_os5.h"
#include <HsKeyCommon.h>

OSystem_PalmOS5::OSystem_PalmOS5() : OSystem_PalmBase() {
      _sound.active = false;
      _setPalette = false;

      _workScreenH = NULL;
      _overlayH = NULL;
      _isSwitchable = false;
      _wasRotated = false;
      _cursorPaletteDisabled = true;

      MemSet(&_soundEx, sizeof(SoundExType), 0);
      _soundEx.sound = &_sound;
}

void OSystem_PalmOS5::calc_scale() {
      for (int y = 0; y < _screenDest.h; y++) {
            int ys = y * _screenHeight / _screenDest.h;
            _scaleTableY[y] = ys * _screenWidth;
      }

      for (int x = 0; x < _screenDest.w; x++) {
            int xs = x * _screenWidth / _screenDest.w;
            _scaleTableX[x] = xs;
      }
}

void OSystem_PalmOS5::calc_rect(Boolean fullscreen) {
      Int32 w, h;

      if (fullscreen) {
            w = (_ratio.adjustAspect == kRatioWidth) ? _ratio.width : gVars->screenFullWidth;
            h = (_ratio.adjustAspect == kRatioHeight) ? _ratio.height : gVars->screenFullHeight;

            _screenOffset.x = (_ratio.adjustAspect == kRatioWidth) ? (gVars->screenFullWidth - _ratio.width) / 2 : 0;
            _screenOffset.y = (_ratio.adjustAspect == kRatioHeight) ? (gVars->screenFullHeight - _ratio.height) / 2 : 0;

      } else {
            w = gVars->screenWidth;
            h = gVars->screenHeight * _screenHeight / _screenWidth;

            _screenOffset.x = 0;
            _screenOffset.y = (gVars->screenHeight - h) / 2;
      }

      _screenDest.w = w;
      _screenDest.h = h;
}

void OSystem_PalmOS5::int_initBackend() {
      _keyExtra.bitUp         = keyBitRockerUp|keyBitPageUp;
      _keyExtra.bitDown = keyBitRockerDown|keyBitPageDown;
      _keyExtra.bitLeft = keyBitRockerLeft;
      _keyExtra.bitRight      = keyBitRockerRight;
      _keyExtra.bitActionA    = keyBitHard3;
      _keyExtra.bitActionB    = keyBitHard4;
}

bool OSystem_PalmOS5::hasFeature(Feature f) {
      switch (f) {
            case kFeatureCursorHasPalette:
                  return true;
      }

      return false;
}

void OSystem_PalmOS5::setFeatureState(Feature f, bool enable) {
      switch (f) {
/*          case kFeatureFullscreenMode:
                  if (_gfxLoaded)
                        if (OPTIONS_TST(kOptModeWide) && _initMode != GFX_WIDE) {
                              _fullscreen = enable;
                              hotswap_gfx_mode(_mode);
                        }
                  break;
*/
            case kFeatureAspectRatioCorrection:
                  if (_mode == GFX_WIDE) {
                        _ratio.adjustAspect = (_ratio.adjustAspect + 1) % 3;
                        //calc_rect(true);
                        hotswap_gfx_mode(_mode);
//                      TwGfxSetClip(_palmScreenP, &_dstRect);
                        clear_screen();
                  }
                  break;
      }
}

void OSystem_PalmOS5::setWindowCaption(const char *caption) {
/*
FIXME/TODO: Convert caption from ISO Latin 1 to "right" encoding ?
If the output encoding is unclear or conversion impossible,
then one could just skip over any chars > 0x7F and display the rest
*/
      Err e;
      Char buf[64];
      Coord w, y, h = FntLineHeight() + 2;
      const Char *loading = "Loading, please wait\0";

      // allocate bitmap
      BitmapTypeV3 *bmp2P;
      BitmapType *bmp1P = BmpCreate(320, (h * 3), 8, NULL, &e);
      WinHandle tmpH = WinCreateBitmapWindow(bmp1P, &e);

      WinSetDrawWindow(tmpH);
      WinSetBackColor(0);
      WinSetTextColor(255);
      WinEraseWindow();

      // loading message
      FntSetFont(boldFont);
      w = FntCharsWidth(loading, StrLen(loading));
      w = (320 - w) / 2;
      WinDrawChars(loading, StrLen(loading), w, 0 + h);

      // caption
      FntSetFont(stdFont);
      w = FntCharsWidth(caption, StrLen(caption));
      w = (320 - w) / 2;
      WinDrawChars(caption, StrLen(caption), w, 0);

      // memory size
      StrPrintF(buf, "memory : %ld KB", gVars->startupMemory);
      w = FntCharsWidth(buf, StrLen(buf));
      w = (320 - w) / 2;
      WinDrawChars(buf, StrLen(buf), w, h * 2);

      // set the bitmap as v3
      bmp2P = BmpCreateBitmapV3(bmp1P, kDensityDouble, BmpGetBits(bmp1P), NULL);
      y = (80 - (h / 4) - 5);

      // draw it
      WinSetDrawWindow(WinGetDisplayWindow());
      WinEraseWindow();
      WinDrawBitmap((BitmapPtr)bmp2P, 0, y);

      // free
      WinDeleteWindow(tmpH, 0);
      BmpDelete((BitmapPtr)bmp2P);
      BmpDelete(bmp1P);
}

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